diff --git a/src/PSP2/main_psp.cpp b/src/PSP2/main_psp.cpp
index 065d7d7..cec8d98 100644
--- a/src/PSP2/main_psp.cpp
+++ b/src/PSP2/main_psp.cpp
@@ -245,6 +245,13 @@ int main(int argc, char **argv)
         case 6:
         scePowerSetArmClockFrequency(444);
         break;
+        case 7:
+        // Setting maximum clocks
+        scePowerSetArmClockFrequency(444);
+        scePowerSetBusClockFrequency(222);
+        scePowerSetGpuClockFrequency(222);
+        scePowerSetGpuXbarClockFrequency(166);
+        break;
     }
 
 	// Read RAM size
diff --git a/src/PSP2/prefs_editor_psp.cpp b/src/PSP2/prefs_editor_psp.cpp
index 42b6e72..a4d9ee8 100644
--- a/src/PSP2/prefs_editor_psp.cpp
+++ b/src/PSP2/prefs_editor_psp.cpp
@@ -259,8 +259,9 @@ void psp_create_floppy(void *arg)
 		{ "166 MHz", 2 },
 		{ "266 MHz", 3 },
 		{ "300 MHz", 4 },
-		{ "333 MHz", 5 },
+		{ "333 MHz", 5 },
 		{ "444 MHz", 6 },
+		{ "Max CPU/GPU/Bus", 7 },
 		{ 0, GUI_END_OF_LIST }
 	};